Swapping

 import java.util.*;

public class swapping{

public static void main(String args[]){

Scanner sc = new Scanner(System.in);

System.out.println("Enter first number");

int a = sc.nextInt();

System.out.println("Enter Second number");

int b = sc.nextInt();

System.out.println("Before swapping : a, b = "+a+","+b);

//swapping

int temp = a;

a = b;

b= temp;

System.out.print("After swapping : a, b = "+a+","+b);

}

}